Chamber setting with improved expansion joints and bricks...

Details Chamber setting with improved expansion joints and bricks... Chamber setting with improved expansion joints and bricks...

F - Mech Eng,Light,Heat,Weapons

27

B

F27B 13/06 (2006.01) F27B 13/10 (2006.01) F27D 1/00 (2006.01)

Patent

CA 2614453

The invention concerns rotating fire furnaces whereof at least one of the inner partitions is formed of a plurality of refractory material bricks including at least one first brick (15a) and one second brick (15b) placed above or beneath a third brick (15c) and separated from each other by a space (13, 14) of width J, wherein the first brick (15a) comprises at least one recess (158d, 158'd) on its assembling surface opposite the third brick (15c), the third brick (15c) comprises at least one protuberance (155d, 155'd) on its assembling face opposite the first brick (15a), the protuberance being engaged in the recess, the dimension E of said recess (158d) in the longitudinal direction of the partition is greater than the dimension B of said first protuberance (155d) in the same direction, and said recess (158d) is spaced apart by a specific distance (Se) from the end surface (152) adjacent said space (13, 14). The invention enables some bricks to be slid on one another, while the cohesion and the strength of the partition are maintained, during the movements caused by expansion and contraction of the bricks.

L'invention concerne les fours à feu tournant dont au moins une des cloisons intérieures est formée d'une pluralité de briques en matériau réfractaire incluant au moins une première (15a) et une deuxième (15b) briques placées au- dessus ou au- dessous d'une troisième brique (15c) et séparées l'une de l'autre d'un espace (13, 14) de largeur J, dans lesquels la première brique (15a) comporte au moins un évidement (158d, 158'd) sur sa face d'assemblage en regard de la troisième brique (15c), la troisième brique (15c) comporte au moins un bossage (155d, 155'd) sur sa face d'assemblage en regard de la première brique (15a), le bossage étant engagé dans l'évidement, la dimension E dudit évidement (158d) dans le sens long de la cloison est plus grande que la dimension B dudit premier bossage (155d) dans le même sens, et ledit évidement (158d) est espacé d'une distance déterminée Se de la face d'extrémité (152) adjacente audit espace (13, 14). L'invention permet à certaines briques de glisser les unes sur les autres, tout en maintenant la cohésion et la solidité de la cloison, lors des mouvements provoqués par la dilatation et la contraction des briques.

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